SAMBELL, T.; BRASSARD, D. Tuning Past and Present. Canadian Acoustics, [S. l.], v. 24, n. 3, p. 29–29, 1996. Disponível em: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1002. Acesso em: 15 may. 2026.